1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
#include "stralloc.h"
#include "subfd.h"
#include "getln.h"
#include "substdio.h"
#include "cdbmss.h"
#include "exit.h"
#include "readwrite.h"
#include "open.h"
#include "error.h"
#include "case.h"
#include "auto_qmail.h"
void die_temp() { _exit(111); }
void die_chdir()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to chdir\n");
die_temp();
}
void die_nomem()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: out of memory\n");
die_temp();
}
void die_opena()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/assign\n");
die_temp();
}
void die_reada()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to read users/assign\n");
die_temp();
}
void die_format()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: bad format in users/assign\n");
die_temp();
}
void die_opent()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/cdb.tmp\n");
die_temp();
}
void die_writet()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to write users/cdb.tmp\n");
die_temp();
}
void die_rename()
{
substdio_putsflush(subfderr,"qmail-newu: fatal: unable to move users/cdb.tmp to users/cdb\n");
die_temp();
}
struct cdbmss cdbmss;
stralloc key = {0};
stralloc data = {0};
char inbuf[1024];
substdio ssin;
int fd;
int fdtemp;
stralloc line = {0};
int match;
stralloc wildchars = {0};
void main()
{
int i;
int numcolons;
umask(033);
if (chdir(auto_qmail) == -1) die_chdir();
fd = open_read("users/assign");
if (fd == -1) die_opena();
substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
fdtemp = open_trunc("users/cdb.tmp");
if (fdtemp == -1) die_opent();
if (cdbmss_start(&cdbmss,fdtemp) == -1) die_writet();
if (!stralloc_copys(&wildchars,"")) die_nomem();
for (;;) {
if (getln(&ssin,&line,&match,'\n') != 0) die_reada();
if (line.len && (line.s[0] == '.')) break;
if (!match) die_format();
if (byte_chr(line.s,line.len,'\0') < line.len) die_format();
i = byte_chr(line.s,line.len,':');
if (i == line.len) die_format();
if (i == 0) die_format();
if (!stralloc_copys(&key,"!")) die_nomem();
if (line.s[0] == '+') {
if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
case_lowerb(key.s,key.len);
if (i >= 2)
if (byte_chr(wildchars.s,wildchars.len,line.s[i - 1]) == wildchars.len)
if (!stralloc_append(&wildchars,line.s + i - 1)) die_nomem();
}
else {
if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
if (!stralloc_0(&key)) die_nomem();
case_lowerb(key.s,key.len);
}
if (!stralloc_copyb(&data,line.s + i + 1,line.len - i - 1)) die_nomem();
numcolons = 0;
for (i = 0;i < data.len;++i)
if (data.s[i] == ':') {
data.s[i] = 0;
if (++numcolons == 6)
break;
}
if (numcolons < 6) die_format();
data.len = i;
if (cdbmss_add(&cdbmss,key.s,key.len,data.s,data.len) == -1) die_writet();
}
if (cdbmss_add(&cdbmss,"",0,wildchars.s,wildchars.len) == -1) die_writet();
if (cdbmss_finish(&cdbmss) == -1) die_writet();
if (fsync(fdtemp) == -1) die_writet();
if (close(fdtemp) == -1) die_writet(); /* NFS stupidity */
if (rename("users/cdb.tmp","users/cdb") == -1) die_rename();
_exit(0);
}
|